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#include <vector>
#include <tuple>
#include <type_traits>
 
template <typename... T>
struct transpose {};
 
template <typename... T>
struct transpose<std::tuple<std::vector<T>...>>
{
    using type = std::vector<std::tuple<T...>>;
};
 
template <typename... T>
struct transpose<std::vector<std::tuple<T...>>>
{
    using type = std::tuple<std::vector<T>...>;
};
 
template <int... Is>
struct seq {};
 
template <int N, int... Is>
struct gen_seq : gen_seq<N - 1, N - 1, Is...> {};
 
template <int... Is>
struct gen_seq<0, Is...> : seq<Is...> {}; 
 
template <typename... T, int... Is>
auto tuple_transpose(std::tuple<std::vector<T>...>& var, seq<Is...>) -> typename transpose<decltype(var)>::type
{
    return { std::make_tuple(std::get<Is>(var)...) };
}
 
template <typename... T>
auto tuple_transpose(std::tuple<std::vector<T>...>& var) -> typename transpose<decltype(var)>::type
{
    return tuple_transpose(var, gen_seq<sizeof...(T)>{});
}
 
int main()
{
    std::tuple<std::vector<int>, std::vector<bool>> var;
    tuple_transpose(var);
 
 
}

prog.cpp: In function ‘int main()’:
prog.cpp:44:24: error: no matching function for call to ‘tuple_transpose(std::tuple<std::vector<int, std::allocator<int> >, std::vector<bool, std::allocator<bool> > >&)’
prog.cpp:44:24: note: candidates are:
prog.cpp:30:6: note: template<class ... T, int ...Is> typename transpose<decltype (var)>::type tuple_transpose(std::tuple<std::vector<T, std::allocator<T> >...>&, seq<Is ...>)
prog.cpp:30:6: note:   template argument deduction/substitution failed:
prog.cpp:44:24: note:   candidate expects 2 arguments, 1 provided
prog.cpp:36:6: note: template<class ... T> typename transpose<decltype (var)>::type tuple_transpose(std::tuple<std::vector<T, std::allocator<T> >...>&)
prog.cpp:36:6: note:   template argument deduction/substitution failed:
prog.cpp: In substitution of ‘template<class ... T> typename transpose<decltype (var)>::type tuple_transpose(std::tuple<std::vector<T, std::allocator<T> >...>&) [with T = {int, bool}]’:
prog.cpp:44:24:   required from here
prog.cpp:36:6: error: no type named ‘type’ in ‘struct transpose<std::tuple<std::vector<int, std::allocator<int> >, std::vector<bool, std::allocator<bool> > >&>’

Standard output is empty